1.He often travels to different countries on.(business用它的适当形式）)because he has a lot of business in those places.

1.He often travels to different countries on.(business用它的适当形式）)because he has a lot of business in those places.
2.首字母填空 the little cat can go in and out of the house f..
3.首字母填空 we all know flies s.disease(疾病）easily.